package com.cyj.springtx1.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.cyj.springtx1.entity.User;

/**
 * @description:
 * @Author C_Y_J
 * @create 2021-03-04 10:20
 **/
public interface IUserService extends IService<User> {
    /**
     * 李四向张三转账500
     */
    void transfer();
}
